Fix convoy coordination, AI combat and spectator recovery

tests/test_hint_delivery.py

@@ -47,6 +47,7 @@ struct RplId {static int Invalid(){return -1;}};
 struct Game {int spawns=0;SCR_ManualCamera* SpawnEntityPrefab(Resource*,int,EntitySpawnParams){spawns++;return &camera;}int GetWorld(){return 1;}CameraManager* GetCameraManager(){return &manager;}} game;
 Game* GetGame(){return &game;}
 struct Controller {
+ void ERR_UpdateRecoveryCamera(ERR_GameMode*){}
  int nativeChanges=0,starts=0;void ERR_StartGuide(){starts++;}
  int m_ERRGuidePhase=-1;string m_ERRGuideMessage;
  Actor* controlled=&actor;int m_ERRObserverReason=ERR_ObserverReason::NONE;